86 runner - Tire size advice? (1 Viewer)

Joined
Nov 19, 2019
Messages
17
Location
San Francisco
Hey guys, quick question for you all. Just picked up an '86 4runner and am looking for advice on how large I can go when I get new tires for it. I'm upgrading the suspension - 2.25" OME rear leafs with add-a-leaf and nitrochargers all around, but wont be doing any body lift or anything else. Running this upgrade with the OEM 15"x7" wheels, how large can I go on new tires without rubbing/problems? I'm going to be getting K02's if it makes any difference. On a seperate note... if anyone is looking for 30x9.5 falken wildpeaks in norcal, im your guy 😂

Sorry if this has already been addressed in another thread, I couldn't find anything specific in searching.

Thanks Mud!
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G-Cat

SILVER Star
Joined
Jan 2, 2003
Messages
5,251
Location
Georgia
Truck didn’t have flaps when I got it. Zero rubbing in any configuration. Stock Land Cruiser wheels are 5.5” wide.

I have always understood that the first gens can run 33x10.50s on stock suspension, provided the springs don’t have 20 years of sag.

A new 2.5” lift is the standard formula for running 33x10.50 and 33x12.50...many run a 35 but do require trimming.

My 89 is my 16 year old’d DD for school...with stock gears, 3.0 V6 and automatic tranny, it is sloooooooow.
 

ntsqd

technerd
Joined
Apr 26, 2007
Messages
6,038
Location
Upper So. CA
I've got 31-10.50's on the same wheels as yours. I am running Roger Brown BJ spacers up front, t-bars set to stock ride height, and OME rear springs that still need one more short leaf removed. the only rubbing that I've had was from a serious g-out, in the dark, in the middle of the Carrizo Plain, due to some PO cutting off the rear bump-stop landing pads.
Once I find a narrow 16" alloy wheel that I like and that have a near stock offset I plan to move to 235/85R16's (32" pizza cutters).
 
Joined
Sep 1, 2009
Messages
2,681
Location
Greenville, SC
Has anyone tried 35 inch tires(305/70/17) on 4.30 gears? I wont have the issue of lack of power off the line like the 22r and 3.0 guys have. I have a 2 inch body lift and 1.5 inch ball joint spacers. Add a leaf in the rear packs. Im worried the 285/70/17s will have too much wheel gap inside the fenders. Id rather not do the body lift but my oil pan needs space to clear the front diff. (86 4 runner)
 

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